using System;
using System.Globalization;
using System.Windows;
using System.Windows.Data;

namespace Honest.MES.WPF.Converters
{
    public class BooleanToVisibilityConverter : IValueConverter
    {
        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
        {
            bool flag = false;
            if (value is bool)
            {
                flag = (bool)value;
            }
            else if (value is bool?)
            {
                bool? nullable = (bool?)value;
                flag = nullable.HasValue && nullable.Value;
            }
            
            // 处理反向转换
            if (parameter != null && parameter.ToString() == "Reverse")
            {
                flag = !flag;
            }
            
            return flag ? Visibility.Visible : Visibility.Collapsed;
        }

        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
        {
            if (value is Visibility)
            {
                bool flag = ((Visibility)value == Visibility.Visible);
                
                // 处理反向转换
                if (parameter != null && parameter.ToString() == "Reverse")
                {
                    flag = !flag;
                }
                
                return flag;
            }
            return false;
        }
    }
}